Vauxhall Insignia 2009 Manuel du propriétaire télécharger pdf (Page 138)

Driving and operating 137

Drive systems

All-wheel drive

The All-wheel drive system enhances

driving characteristics and stability,

and helps to achieve the best

possible driveability regardless of

ground surface. The system is always

active and cannot be deactivated.

The torque is distributed steplessly

between the front and rear wheels,

depending on the driving conditions.

For optimum system performance,

the vehicle's tyres should not have

varying degrees of wear.

If a service message is displayed in

the Driver Information Center, the

system may have limited functionality

(or be completely disabled in some

cases, i.e. the vehicle switches to

front-wheel drive). Seek the

assistance of a workshop.

Towing the vehicle 3 190.

Brakes

The brake system comprises two

independent brake circuits.

If a brake circuit fails, the vehicle can

still be braked using the other brake

circuit. However, braking effect is

achieved only when the brake pedal

is depressed firmly. Considerably

more force is needed for this. The

braking distance is extended. Seek

the assistance of a workshop before

continuing your journey.

When the engine is not running, the

support of the brake servo unit

disappears once the brake pedal has

been depressed once or twice.

Braking effect is not reduced, but

braking requires significantly greater

force. It is especially important to bear

this in mind when being towed.

Control indicator R 3 86.

Antilock brake system

Antilock brake system (ABS)

prevents the wheels from locking.

ABS starts to regulate brake pressure

as soon as a wheel shows a tendency

to lock. The vehicle remains

steerable, even during hard braking.

ABS control is made apparent

through a pulse in the brake pedal

and the noise of the regulation

process.

For optimum braking, keep the brake

pedal fully depressed throughout the

braking process, despite the fact that

the pedal is pulsating. Do not reduce

the pressure on the pedal.

Control indicator u 3 86.

Adaptive brake light

During full braking, all three brake

lights flash for the duration of ABS

control.

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